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Single API for reading, manipulating and writing data in csv, ods, xls, xlsx and xlsm files

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pyexcel/pyexcel

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If your company has embedded pyexcel and its components into a revenue generatingproduct, please support me on github, orpatreonmaintain the project and develop it further.

With your financial support, I will be able to invest a little bit more time in coding,documentation and writing interesting posts.

Known constraints

Fonts, colors and charts are not supported.

Nor to read password protected xls, xlsx and ods files.

Introduction

Feature Highlights

A list of supported file formats
file formatdefinition
csvcomma separated values
tsvtab separated values
csvza zip file that contains one or many csv files
tsvza zip file that contains one or many tsv files
xlsa spreadsheet file format created byMS-Excel 97-2003
xlsxMS-Excel Extensions to the Office Open XMLSpreadsheetML File Format.
xlsman MS-Excel Macro-Enabled Workbook file
odsopen document spreadsheet
fodsflat open document spreadsheet
jsonjava script object notation
htmlhtml table of the data structure
simplesimple presentation
rstrStructured Text presentation of the data
mediawikimedia wiki table

  1. One application programming interface(API) to handle multiple data sources:
    • physical file
    • memory file
    • SQLAlchemy table
    • Django Model
    • Python data structures: dictionary, records and array
  2. One API to read and write data in various excel file formats.
  3. For large data sets, data streaming are supported. A genenerator can be returned to you. Checkout iget_records, iget_array, isave_as and isave_book_as.

Installation

You can install pyexcel via pip:

$ pip install pyexcel

or clone it and install it:

$ git clone https://github.com/pyexcel/pyexcel.git$cd pyexcel$ python setup.py install

One liners

This section shows you how to get data from your excel files and how toexport data to excel files inone line

Read from the excel files

Get a list of dictionaries

Suppose you want to processHistory of Classical Music:

History of Classical Music:

NamePeriodRepresentative Composers
Medievalc.1150-c.1400Machaut, Landini
Renaissancec.1400-c.1600Gibbons, Frescobaldi
Baroquec.1600-c.1750JS Bach, Vivaldi
Classicalc.1750-c.1830Joseph Haydn, Wolfgan Amadeus Mozart
Early Romanticc.1830-c.1860Chopin, Mendelssohn, Schumann, Liszt
Late Romanticc.1860-c.1920Wagner,Verdi
Modernist20th centurySergei Rachmaninoff,Calude Debussy

Let's get a list of dictionary out from the xls file:

>>>records=p.get_records(file_name="your_file.xls")

And let's check what do we have:

>>>forrowinrecords:...print(f"{row['Representative Composers']} are from{row['Name']} period ({row['Period']})")Machaut,LandiniarefromMedievalperiod (c.1150-c.1400)Gibbons,FrescobaldiarefromRenaissanceperiod (c.1400-c.1600)JSBach,VivaldiarefromBaroqueperiod (c.1600-c.1750)JosephHaydn,WolfganAmadeusMozartarefromClassicalperiod (c.1750-c.1830)Chopin,Mendelssohn,Schumann,LisztarefromEarlyRomanticperiod (c.1830-c.1860)Wagner,VerdiarefromLateRomanticperiod (c.1860-c.1920)SergeiRachmaninoff,CaludeDebussyarefromModernistperiod (20thcentury)

Get two dimensional array

Instead, what if you have to use pyexcel.get_array to do the same:

>>>forrowinp.get_array(file_name="your_file.xls",start_row=1):...print(f"{row[2]} are from{row[0]} period ({row[1]})")Machaut,LandiniarefromMedievalperiod (c.1150-c.1400)Gibbons,FrescobaldiarefromRenaissanceperiod (c.1400-c.1600)JSBach,VivaldiarefromBaroqueperiod (c.1600-c.1750)JosephHaydn,WolfganAmadeusMozartarefromClassicalperiod (c.1750-c.1830)Chopin,Mendelssohn,Schumann,LisztarefromEarlyRomanticperiod (c.1830-c.1860)Wagner,VerdiarefromLateRomanticperiod (c.1860-c.1920)SergeiRachmaninoff,CaludeDebussyarefromModernistperiod (20thcentury)

where start_row skips the header row.

Get a dictionary

You can get a dictionary too:

>>>my_dict=p.get_dict(file_name="your_file.xls",name_columns_by_row=0)

And let's have a look inside:

>>>frompyexcel._compactimportOrderedDict>>>isinstance(my_dict,OrderedDict)True>>>forkey,valuesinmy_dict.items():...print(key+" : "+','.join([str(item)foriteminvalues]))Name :Medieval,Renaissance,Baroque,Classical,EarlyRomantic,LateRomantic,ModernistPeriod :c.1150-c.1400,c.1400-c.1600,c.1600-c.1750,c.1750-c.1830,c.1830-c.1860,c.1860-c.1920,20thcenturyRepresentativeComposers :Machaut,Landini,Gibbons,Frescobaldi,JSBach,Vivaldi,JosephHaydn,WolfganAmadeusMozart,Chopin,Mendelssohn,Schumann,Liszt,Wagner,Verdi,SergeiRachmaninoff,CaludeDebussy

Please note that my_dict is an OrderedDict.

Get a dictionary of two dimensional array

Suppose you have a multiple sheet book as the following:

Top Violinist:

NamePeriodNationality
Antonio Vivaldi1678-1741Italian
Niccolo Paganini1782-1840Italian
Pablo de Sarasate1852-1904Spainish
Eugene Ysaye1858-1931Belgian
Fritz Kreisler1875-1962Astria-American
Jascha Heifetz1901-1987Russian-American
David Oistrakh1908-1974Russian
Yehundi Menuhin1916-1999American
Itzhak Perlman1945-Israeli-American
Hilary Hahn1979-American

Noteable Violin Makers:

MakerPeriodCountry
Antonio Stradivari1644-1737Cremona, Italy
Giovanni Paolo Maggini1580-1630Botticino, Italy
Amati Family1500-1740Cremona, Italy
Guarneri Family1626-1744Cremona, Italy
Rugeri Family1628-1719Cremona, Italy
Carlo Bergonzi1683-1747Cremona, Italy
Jacob Stainer1617-1683Austria

Most Expensive Violins:

NameEstimated ValueLocation
Messiah Stradivarious$ 20,000,000Ashmolean Museum in Oxford, England
Vieuxtemps Guarneri$ 16,000,000On loan to Anne Akiko Meyers
Lady Blunt$ 15,900,000Anonymous bidder

Here is the code to obtain those sheets as a single dictionary:

>>>book_dict=p.get_book_dict(file_name="book.xls")

And check:

>>>isinstance(book_dict,OrderedDict)True>>>importjson>>>forkey,iteminbook_dict.items():...print(json.dumps({key:item})){"Most Expensive Violins": [["Name","Estimated Value","Location"], ["Messiah Stradivarious","$ 20,000,000","Ashmolean Museum in Oxford, England"], ["Vieuxtemps Guarneri","$ 16,000,000","On loan to Anne Akiko Meyers"], ["Lady Blunt","$ 15,900,000","Anonymous bidder"]]}{"Noteable Violin Makers": [["Maker","Period","Country"], ["Antonio Stradivari","1644-1737","Cremona, Italy"], ["Giovanni Paolo Maggini","1580-1630","Botticino, Italy"], ["Amati Family","1500-1740","Cremona, Italy"], ["Guarneri Family","1626-1744","Cremona, Italy"], ["Rugeri Family","1628-1719","Cremona, Italy"], ["Carlo Bergonzi","1683-1747","Cremona, Italy"], ["Jacob Stainer","1617-1683","Austria"]]}{"Top Violinist": [["Name","Period","Nationality"], ["Antonio Vivaldi","1678-1741","Italian"], ["Niccolo Paganini","1782-1840","Italian"], ["Pablo de Sarasate","1852-1904","Spainish"], ["Eugene Ysaye","1858-1931","Belgian"], ["Fritz Kreisler","1875-1962","Astria-American"], ["Jascha Heifetz","1901-1987","Russian-American"], ["David Oistrakh","1908-1974","Russian"], ["Yehundi Menuhin","1916-1999","American"], ["Itzhak Perlman","1945-","Israeli-American"], ["Hilary Hahn","1979-","American"]]}

Write data

Export an array

Suppose you have the following array:

>>>data= [['G','D','A','E'], ['Thomastik-Infield Domaints','Thomastik-Infield Domaints','Thomastik-Infield Domaints','Pirastro'], ['Silver wound','','Aluminum wound','Gold Label Steel']]

And here is the code to save it as an excel file :

>>>p.save_as(array=data,dest_file_name="example.xls")

Let's verify it:

>>>p.get_sheet(file_name="example.xls")pyexcel_sheet1:+----------------------------+----------------------------+----------------------------+------------------+|G|D|A|E|+----------------------------+----------------------------+----------------------------+------------------+|Thomastik-InfieldDomaints|Thomastik-InfieldDomaints|Thomastik-InfieldDomaints|Pirastro|+----------------------------+----------------------------+----------------------------+------------------+|Silverwound||Aluminumwound|GoldLabelSteel|+----------------------------+----------------------------+----------------------------+------------------+

And here is the code to save it as a csv file :

>>>p.save_as(array=data,...dest_file_name="example.csv",...dest_delimiter=':')

Let's verify it:

>>>withopen("example.csv")asf:...forlineinf.readlines():...print(line.rstrip())...G:D:A:EThomastik-InfieldDomaints:Thomastik-InfieldDomaints:Thomastik-InfieldDomaints:PirastroSilverwound::Aluminumwound:GoldLabelSteel

Export a list of dictionaries

>>>records= [...     {"year":1903,"country":"Germany","speed":"206.7km/h"},...     {"year":1964,"country":"Japan","speed":"210km/h"},...     {"year":2008,"country":"China","speed":"350km/h"}... ]>>>p.save_as(records=records,dest_file_name='high_speed_rail.xls')

Export a dictionary of single key value pair

>>>henley_on_thames_facts= {..."area":"5.58 square meters",..."population":"11,619",..."civial parish":"Henley-on-Thames",..."latitude":"51.536",..."longitude":"-0.898"... }>>>p.save_as(adict=henley_on_thames_facts,dest_file_name='henley.xlsx')

Export a dictionary of single dimensonal array

>>>ccs_insights= {..."year": ["2017","2018","2019","2020","2021"],..."smart phones": [1.53,1.64,1.74,1.82,1.90],..."feature phones": [0.46,0.38,0.30,0.23,0.17]... }>>>p.save_as(adict=ccs_insights,dest_file_name='ccs.csv')

Export a dictionary of two dimensional array as a book

Suppose you want to save the below dictionary to an excel file :

>>>a_dictionary_of_two_dimensional_arrays= {...'Sheet 1':...          [...              [1.0,2.0,3.0],...              [4.0,5.0,6.0],...              [7.0,8.0,9.0]...          ],...'Sheet 2':...          [...              ['X','Y','Z'],...              [1.0,2.0,3.0],...              [4.0,5.0,6.0]...          ],...'Sheet 3':...          [...              ['O','P','Q'],...              [3.0,2.0,1.0],...              [4.0,3.0,2.0]...          ]...  }

Here is the code:

>>>p.save_book_as(...bookdict=a_dictionary_of_two_dimensional_arrays,...dest_file_name="book.xls"... )

If you want to preserve the order of sheets in your dictionary, you have topass on an ordered dictionary to the function itself. For example:

>>>data=OrderedDict()>>>data.update({"Sheet 2":a_dictionary_of_two_dimensional_arrays['Sheet 2']})>>>data.update({"Sheet 1":a_dictionary_of_two_dimensional_arrays['Sheet 1']})>>>data.update({"Sheet 3":a_dictionary_of_two_dimensional_arrays['Sheet 3']})>>>p.save_book_as(bookdict=data,dest_file_name="book.xls")

Let's verify its order:

>>>book_dict=p.get_book_dict(file_name="book.xls")>>>forkey,iteminbook_dict.items():...print(json.dumps({key:item})){"Sheet 2": [["X","Y","Z"], [1,2,3], [4,5,6]]}{"Sheet 1": [[1,2,3], [4,5,6], [7,8,9]]}{"Sheet 3": [["O","P","Q"], [3,2,1], [4,3,2]]}

Please notice that "Sheet 2" is the first item in thebook_dict, meaning the order of sheets are preserved.

Transcoding

Note

Please note that pyexcel-cli can perform file transcoding at command line.No need to open your editor, save the problem, then python run.

The following code does a simple file format transcoding from xls to csv:

>>>p.save_as(file_name="birth.xls",dest_file_name="birth.csv")

Again it is really simple. Let's verify what we have gotten:

>>>sheet=p.get_sheet(file_name="birth.csv")>>>sheetbirth.csv:+-------+--------+----------+|name|weight|birth|+-------+--------+----------+|Adam|3.4|03/02/15|+-------+--------+----------+|Smith|4.2|12/11/14|+-------+--------+----------+

Note

Please note that csv(comma separate value) file is pure text file. Formula, charts, images and formatting in xls file will disappear no matter which transcoding tool you use. Hence, pyexcel is a quick alternative for this transcoding job.

Let use previous example and save it as xlsx instead

>>>p.save_as(file_name="birth.xls",...dest_file_name="birth.xlsx")# change the file extension

Again let's verify what we have gotten:

>>>sheet=p.get_sheet(file_name="birth.xlsx")>>>sheetpyexcel_sheet1:+-------+--------+----------+|name|weight|birth|+-------+--------+----------+|Adam|3.4|03/02/15|+-------+--------+----------+|Smith|4.2|12/11/14|+-------+--------+----------+

Excel book merge and split operation in one line

Merge all excel files in directory into a book where each file become a sheet

The following code will merge every excel files into one file, say "output.xls":

frompyexcel.cookbookimportmerge_all_to_a_bookimportglobmerge_all_to_a_book(glob.glob("your_csv_directory\*.csv"),"output.xls")

You can mix and match with other excel formats: xls, xlsm and ods. For example, if you are sure you have only xls, xlsm, xlsx, ods and csv files in your_excel_file_directory, you can do the following:

frompyexcel.cookbookimportmerge_all_to_a_bookimportglobmerge_all_to_a_book(glob.glob("your_excel_file_directory\*.*"),"output.xls")

Split a book into single sheet files

Suppose you have many sheets in a work book and you would like to separate each into a single sheet excel file. You can easily do this:

>>>frompyexcel.cookbookimportsplit_a_book>>>split_a_book("megabook.xls","output.xls")>>>importglob>>>outputfiles=glob.glob("*_output.xls")>>>forfileinsorted(outputfiles):...print(file)...Sheet1_output.xlsSheet2_output.xlsSheet3_output.xls

for the output file, you can specify any of the supported formats

Extract just one sheet from a book

Suppose you just want to extract one sheet from many sheets that exists in a work book and you would like to separate it into a single sheet excel file. You can easily do this:

>>>frompyexcel.cookbookimportextract_a_sheet_from_a_book>>>extract_a_sheet_from_a_book("megabook.xls","Sheet 1","output.xls")>>>ifos.path.exists("Sheet 1_output.xls"):...print("Sheet 1_output.xls exists")...Sheet1_output.xlsexists

for the output file, you can specify any of the supported formats

Hidden feature: partial read

Most pyexcel users do not know, but other library users were requestingpartial read

When you are dealing with huge amount of data, e.g. 64GB, obviously you would notlike to fill up your memory with those data. What you may want to do is, recorddata from Nth line, take M records and stop. And you only want to use your memoryfor the M records, not for beginning part nor for the tail part.

Hence partial read feature is developed to read partial data into memory forprocessing.

You can paginate by row, by column and by both, hence you dictate what portion of thedata to read back. But remember only row limit features help you save memory. Let'syou use this feature to record data from Nth column, take M number of columns and skipthe rest. You are not going to reduce your memory footprint.

Why did not I see above benefit?

This feature depends heavily on the implementation details.

pyexcel-xls (xlrd),pyexcel-xlsx (openpyxl),pyexcel-ods (odfpy) andpyexcel-ods3 (pyexcel-ezodf) will read all data into memory. Because xls,xlsx and ods file are effective a zipped folder, all four will unzip the folderand read the content in xml format infull, so as to make sense of all details.

Hence, during the partial data is been returned, the memory consumption won'tdiffer from reading the whole data back. Only after the partialdata is returned, the memory comsumption curve shall jump the cliff. So paginationcode here only limits the data returned to your program.

With that said,pyexcel-xlsxr,pyexcel-odsr andpyexcel-htmlr DOES readpartial data into memory. Those three are implemented in such a way that theyconsume the xml(html) when needed. When they have read designated portion of thedata, they stop, even if they are half way through.

In addition, pyexcel's csv readers can read partial data into memory too.

Let's assume the following file is a huge csv file:

>>>importdatetime>>>importpyexcelaspe>>>data= [...     [1,21,31],...     [2,22,32],...     [3,23,33],...     [4,24,34],...     [5,25,35],...     [6,26,36]... ]>>>pe.save_as(array=data,dest_file_name="your_file.csv")

And let's pretend to read partial data:

>>>pe.get_sheet(file_name="your_file.csv",start_row=2,row_limit=3)your_file.csv:+---+----+----+|3|23|33|+---+----+----+|4|24|34|+---+----+----+|5|25|35|+---+----+----+

And you could as well do the same for columns:

>>>pe.get_sheet(file_name="your_file.csv",start_column=1,column_limit=2)your_file.csv:+----+----+|21|31|+----+----+|22|32|+----+----+|23|33|+----+----+|24|34|+----+----+|25|35|+----+----+|26|36|+----+----+

Obvious, you could do both at the same time:

>>>pe.get_sheet(file_name="your_file.csv",...start_row=2,row_limit=3,...start_column=1,column_limit=2)your_file.csv:+----+----+|23|33|+----+----+|24|34|+----+----+|25|35|+----+----+

The pagination support is available across all pyexcel plugins.

Note

No column pagination support for query sets as data source.

Formatting while transcoding a big data file

If you are transcoding a big data set, conventional formatting method would nothelp unless a on-demand free RAM is available. However, there is a way to minimizethe memory footprint of pyexcel while the formatting is performed.

Let's continue from previous example. Suppose we want to transcode "your_file.csv"to "your_file.xls" but increase each element by 1.

What we can do is to define a row renderer function as the following:

>>>defincrement_by_one(row):...forelementinrow:...yieldelement+1

Then pass it onto save_as function using row_renderer:

>>>pe.isave_as(file_name="your_file.csv",...row_renderer=increment_by_one,...dest_file_name="your_file.xlsx")

Note

If the data content is from a generator, isave_as has to be used.

We can verify if it was done correctly:

>>>pe.get_sheet(file_name="your_file.xlsx")your_file.csv:+---+----+----+|2|22|32|+---+----+----+|3|23|33|+---+----+----+|4|24|34|+---+----+----+|5|25|35|+---+----+----+|6|26|36|+---+----+----+|7|27|37|+---+----+----+

Stream APIs for big file : A set of two liners

When you are dealing withBIG excel files, you will wantpyexcel to useconstant memory.

This section shows you how to get data from yourBIG excel files and how toexport data to excel files intwo lines at most, without eating allyour computer memory.

Two liners for get data from big excel files

Get a list of dictionaries

Suppose you want to process the following coffee data again:

Top 5 coffeine drinks:

CoffeesServing SizeCaffeine (mg)
Starbucks Coffee Blonde Roastventi(20 oz)475
Dunkin' Donuts Coffee with Turbo Shotlarge(20 oz.)398
Starbucks Coffee Pike Place Roastgrande(16 oz.)310
Panera Coffee Light Roastregular(16 oz.)300

Let's get a list of dictionary out from the xls file:

>>>records=p.iget_records(file_name="your_file.xls")

And let's check what do we have:

>>>forrinrecords:...print(f"{r['Serving Size']} of{r['Coffees']} has{r['Caffeine (mg)']} mg")venti(20oz)ofStarbucksCoffeeBlondeRoasthas475mglarge(20oz.)ofDunkin'DonutsCoffeewithTurboShothas398mggrande(16oz.)ofStarbucksCoffeePikePlaceRoasthas310mgregular(16oz.)ofPaneraCoffeeLightRoasthas300mg

Please do not forgot the second line to close the opened file handle:

>>>p.free_resources()

Get two dimensional array

Instead, what if you have to use pyexcel.get_array to do the same:

>>>forrowinp.iget_array(file_name="your_file.xls",start_row=1):...print(f"{row[1]} of{row[0]} has{row[2]} mg")venti(20oz)ofStarbucksCoffeeBlondeRoasthas475mglarge(20oz.)ofDunkin'DonutsCoffeewithTurboShothas398mggrande(16oz.)ofStarbucksCoffeePikePlaceRoasthas310mgregular(16oz.)ofPaneraCoffeeLightRoasthas300mg

Again, do not forgot the second line:

>>>p.free_resources()

where start_row skips the header row.

Data export in one liners

Export an array

Suppose you have the following array:

>>>data= [[1,2,3], [4,5,6], [7,8,9]]

And here is the code to save it as an excel file :

>>>p.isave_as(array=data,dest_file_name="example.xls")

But the following line is not required because the data sourceare not file sources:

>>># p.free_resources()

Let's verify it:

>>>p.get_sheet(file_name="example.xls")pyexcel_sheet1:+---+---+---+|1|2|3|+---+---+---+|4|5|6|+---+---+---+|7|8|9|+---+---+---+

And here is the code to save it as a csv file :

>>>p.isave_as(array=data,...dest_file_name="example.csv",...dest_delimiter=':')

Let's verify it:

>>>withopen("example.csv")asf:...forlineinf.readlines():...print(line.rstrip())...1:2:34:5:67:8:9

Export a list of dictionaries

>>>records= [...     {"year":1903,"country":"Germany","speed":"206.7km/h"},...     {"year":1964,"country":"Japan","speed":"210km/h"},...     {"year":2008,"country":"China","speed":"350km/h"}... ]>>>p.isave_as(records=records,dest_file_name='high_speed_rail.xls')

Export a dictionary of single key value pair

>>>henley_on_thames_facts= {..."area":"5.58 square meters",..."population":"11,619",..."civial parish":"Henley-on-Thames",..."latitude":"51.536",..."longitude":"-0.898"... }>>>p.isave_as(adict=henley_on_thames_facts,dest_file_name='henley.xlsx')

Export a dictionary of single dimensonal array

>>>ccs_insights= {..."year": ["2017","2018","2019","2020","2021"],..."smart phones": [1.53,1.64,1.74,1.82,1.90],..."feature phones": [0.46,0.38,0.30,0.23,0.17]... }>>>p.isave_as(adict=ccs_insights,dest_file_name='ccs.csv')>>>p.free_resources()

Export a dictionary of two dimensional array as a book

Suppose you want to save the below dictionary to an excel file :

>>>a_dictionary_of_two_dimensional_arrays= {...'Sheet 1':...          [...              [1.0,2.0,3.0],...              [4.0,5.0,6.0],...              [7.0,8.0,9.0]...          ],...'Sheet 2':...          [...              ['X','Y','Z'],...              [1.0,2.0,3.0],...              [4.0,5.0,6.0]...          ],...'Sheet 3':...          [...              ['O','P','Q'],...              [3.0,2.0,1.0],...              [4.0,3.0,2.0]...          ]...  }

Here is the code:

>>>p.isave_book_as(...bookdict=a_dictionary_of_two_dimensional_arrays,...dest_file_name="book.xls"... )

If you want to preserve the order of sheets in your dictionary, you have topass on an ordered dictionary to the function itself. For example:

>>>frompyexcel._compactimportOrderedDict>>>data=OrderedDict()>>>data.update({"Sheet 2":a_dictionary_of_two_dimensional_arrays['Sheet 2']})>>>data.update({"Sheet 1":a_dictionary_of_two_dimensional_arrays['Sheet 1']})>>>data.update({"Sheet 3":a_dictionary_of_two_dimensional_arrays['Sheet 3']})>>>p.isave_book_as(bookdict=data,dest_file_name="book.xls")>>>p.free_resources()

Let's verify its order:

>>>importjson>>>book_dict=p.get_book_dict(file_name="book.xls")>>>forkey,iteminbook_dict.items():...print(json.dumps({key:item})){"Sheet 2": [["X","Y","Z"], [1,2,3], [4,5,6]]}{"Sheet 1": [[1,2,3], [4,5,6], [7,8,9]]}{"Sheet 3": [["O","P","Q"], [3,2,1], [4,3,2]]}

Please notice that "Sheet 2" is the first item in thebook_dict, meaning the order of sheets are preserved.

File format transcoding on one line

Note

Please note that the following file transcoding could be with zero line. Pleaseinstall pyexcel-cli and you will do the transcode in one command. No need toopen your editor, save the problem, then python run.

The following code does a simple file format transcoding from xls to csv:

>>>importpyexcel>>>p.save_as(file_name="birth.xls",dest_file_name="birth.csv")

Again it is really simple. Let's verify what we have gotten:

>>>sheet=p.get_sheet(file_name="birth.csv")>>>sheetbirth.csv:+-------+--------+----------+|name|weight|birth|+-------+--------+----------+|Adam|3.4|03/02/15|+-------+--------+----------+|Smith|4.2|12/11/14|+-------+--------+----------+

Note

Please note that csv(comma separate value) file is pure text file. Formula, charts, images and formatting in xls file will disappear no matter which transcoding tool you use. Hence, pyexcel is a quick alternative for this transcoding job.

Let use previous example and save it as xlsx instead

>>>importpyexcel>>>p.isave_as(file_name="birth.xls",...dest_file_name="birth.xlsx")# change the file extension

Again let's verify what we have gotten:

>>>sheet=p.get_sheet(file_name="birth.xlsx")>>>sheetpyexcel_sheet1:+-------+--------+----------+|name|weight|birth|+-------+--------+----------+|Adam|3.4|03/02/15|+-------+--------+----------+|Smith|4.2|12/11/14|+-------+--------+----------+

Available Plugins

A list of file formats supported by external plugins
Package nameSupported file formatsDependencies
pyexcel-iocsv, csvz[1], tsv,tsvz[2]csvz,tsvz readers depends on chardet
pyexcel-xlsxls, xlsx(read only),xlsm(read only)xlrd,xlwt
pyexcel-xlsxxlsxopenpyxl
pyexcel-ods3odspyexcel-ezodf,lxml
pyexcel-odsodsodfpy
Dedicated file reader and writers
Package nameSupported file formatsDependencies
pyexcel-xlsxwxlsx(write only)XlsxWriter
pyexcel-libxlsxwxlsx(write only)libxlsxwriter
pyexcel-xlsxrxlsx(read only)lxml
pyexcel-xlsbrxlsb(read only)pyxlsb
pyexcel-odsrread only for ods, fodslxml
pyexcel-odswwrite only for odsloxun
pyexcel-htmlrhtml(read only)lxml,html5lib
pyexcel-pdfrpdf(read only)camelot

Plugin shopping guide

Since 2020, all pyexcel-io plugins have dropped the support for python versionswhich are lower than 3.6. If you want to use any of those Python versions, please use pyexcel-ioand its plugins versions that are lower than 0.6.0.

Except csv files, xls, xlsx and ods files are a zip of a folder containing a lot ofxml files

The dedicated readers for excel files can stream read

In order to manage the list of plugins installed, you need to use pip to add or removea plugin. When you use virtualenv, you can have different plugins per virtualenvironment. In the situation where you have multiple plugins that does the same thingin your environment, you need to tell pyexcel which plugin to use per function call.For example, pyexcel-ods and pyexcel-odsr, and you want to get_array to use pyexcel-odsr.You need to append get_array(..., library='pyexcel-odsr').

Other data renderers
Package nameSupported file formatsDependenciesPython versions
pyexcel-textwrite only:rst,mediawiki, html,latex, grid, pipe,orgtbl, plain simpleread only: ndjsonr/w: jsontabulate2.6, 2.7, 3.3, 3.43.5, 3.6, pypy
pyexcel-handsontablehandsontable in htmlhandsontablesame as above
pyexcel-pygalsvg chartpygal2.7, 3.3, 3.4, 3.53.6, pypy
pyexcel-sortablesortable table in htmlcsvtotablesame as above
pyexcel-ganttgantt chart in htmlfrappe-ganttexcept pypy, sameas above

Footnotes

[1]zipped csv file
[2]zipped tsv file

Acknowledgement

All great work have been done by odf, ezodf, xlrd, xlwt, tabulate and otherindividual developers. This library unites only the data access code.

License

New BSD License


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